second law of thermodynamics

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Noun1.second law of thermodynamics - a law stating that mechanical work can be derived from a body only when that body interacts with another at a lower temperature; any spontaneous process results in an increase of entropy
law of thermodynamics - (physics) a law governing the relations between states of energy in a closed system
References in periodicals archive ?
The driving force for reaching this thermal equilibrium is contained in the 2nd law of thermodynamics.
The Carnot cycle is often used to derive a mathematical expression for the 2nd law of thermodynamics.
That ontological reductionism is logically unfeasible is elucidated further by Uttal's delineation of the 2nd Law of Thermodynamics.